[edit] 図書一覧画面の検索機能を追加しました

src/main/java/com/example/demo/controller/BookController.java

@@ -6,23 +6,55 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
 
 import com.example.demo.entity.Book;
+import com.example.demo.form.BookSearchForm;
 import com.example.demo.service.BookServiceImpl;
 
 @Controller
 public class BookController {
 	@Autowired
 	private BookServiceImpl bookService;
-	
+
+	/* 一覧表示 */
 	@GetMapping("/book")
 	public String book(Model model) {
-		
+
 		List<Book> aaa = bookService.findAll();
-		
+
 		// DBから取得したデータをHTMLで扱えるようにする
-		model.addAttribute("book",bookService.findAll());
+		model.addAttribute("book", bookService.findAll());
+
+		model.addAttribute("bookSearchForm", new BookSearchForm());
+
 		return "book";
 	}
 
+	/* 検索処理 */
+	@GetMapping("/searchBooks")
+	public String searchBooks(@ModelAttribute BookSearchForm bookSearchForm,
+			Model model) {
+		
+		model.addAttribute("book", bookService.findBooks(bookSearchForm.getKeyword()));
+
+		model.addAttribute("bookSearchForm", bookSearchForm);
+
+		return "book";
+
+	}
+
+	/* クリア処理 */
+	@PostMapping("/clearBookList")
+	public String clearBookList(Model model) {
+		
+		model.addAttribute("book", bookService.findAll());
+
+		model.addAttribute("bookSearchForm", new BookSearchForm());
+
+		// 一覧表示画面に戻る
+		return "/book";
+	}
+
 }

src/main/java/com/example/demo/form/BookForm.java

@@ -1,5 +0,0 @@
-package com.example.demo.form;
-
-public class BookForm {
-
-}

src/main/java/com/example/demo/form/BookSearchForm.java

@@ -0,0 +1,10 @@
+package com.example.demo.form;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class BookSearchForm {
+	private String keyword;
+}

src/main/java/com/example/demo/repository/BookRepository.java

@@ -1,10 +1,20 @@
 package com.example.demo.repository;
 
 
+import java.util.List;
+
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 
 import com.example.demo.entity.Book;
 
 public interface BookRepository extends JpaRepository<Book, Integer>{
-
+	@Query("""
+			SELECT b FROM Book b
+			WHERE b.title LIKE %:keyword%
+				OR b.publisher LIKE %:keyword%
+				OR b.author LIKE %:keyword%
+			""")
+	List<Book> searchBooks(@Param("keyword")String keyword);
 }

src/main/java/com/example/demo/service/BookService.java

@@ -1,11 +0,0 @@
-package com.example.demo.service;
-
-import java.util.List;
-
-import com.example.demo.entity.Book;
-
-public interface BookService {
-	String booklist(Book book);
-
-	List<java.awt.print.Book> findAll();
-}

src/main/java/com/example/demo/service/BookServiceImpl.java

@@ -1,6 +1,5 @@
 package com.example.demo.service;
 
-
 import java.util.List;
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -10,26 +9,17 @@ import com.example.demo.entity.Book;
 import com.example.demo.repository.BookRepository;
 
 @Service
-public class BookServiceImpl{
-	
+public class BookServiceImpl {
+
 	@Autowired
 	private BookRepository bookRepository;
-	
-//	@Override
-//	public String booklist(com.example.demo.entity.Book book) {
-//		Book booklist = new Book();
-//		booklist.setBookId(book.getBookId());
-//		
-//		return null;
-//	}
-	
-	
 
 	public List<Book> findAll() {
 		return bookRepository.findAll();
 	}
-
-	
 	
+	public List<Book> findBooks(String keyword){ 
+		return bookRepository.searchBooks(keyword);
+	}
 
 }

src/main/resources/templates/book.html

@@ -12,12 +12,33 @@
 		<h1>社内図書一覧</h1>
 		<div class="float-end">
 		</div>
+
+		<form class="input-group" th:action="@{/searchBooks}" th:object="${bookSearchForm}" method="get">
+
+			<input type="text" th:field="*{keyword}" class="form-control" placeholder="キーワードを入力">
+
+			<button class="btn btn-outline-success" type="submit">
+				検索
+			</button>
+
+		</form>
+		
+		<form method="post" th:action="@{/clearBookList}">
+			<button class="button button-secondary" type="submit">
+				クリア
+			</button>
+		</form>
+		
+		<p>※「タイトル」「出版社」「著者名」で検索</p>
+
+
+
 		<form method="get" action="bookLend">
 
 			<table class="table table-striped">
 				<thead>
 					<tr>
-						<th>図書ID</th>
+						<th>図書管理ID</th>
 						<th>ISBN</th>
 						<th>タイトル</th>
 						<th>著者名</th>
@@ -30,14 +51,14 @@
 						<th>登録日時</th>
 						<th>更新日時</th>
 						<th>寄贈者</th>
-						<th>貸出状態??</th>
-						<th>操作??</th>
+						<th>貸出状態</th>
+						<th>操作</th>
 					</tr>
 				</thead>
 
 				<tbody>
-					<tr th:each="book : ${book}">
-						
+					<tr th:each="book : ${book}" th:if="${book.bookManageId != null}">
+
 						<td th:text="*{book.bookManageId}"></td>
 						<td th:text="*{book.isbn}"></td>
 						<td th:text="*{book.title}"></td>
@@ -47,52 +68,47 @@
 						<td th:text="*{book.bookSubcategory.bookCategory.bookCategoryName}"></td>
 						<td th:text="*{book.bookSubcategory.bookSubcategoryName}"></td>
 						<td th:text="*{book.storageLocation.locationName}"></td>
-						<td th:text="*{book.condition}"></td>
+						<td th:text="*{book.condition == 0 ? '分からない':
+									   book.condition == 1 ? '新品':
+									   book.condition == 2 ? '良好':
+									   book.condition == 3 ? '使用感あり':
+									   book.condition == 4 ? '痛みあり':
+								       '不明'}">
+						</td>
 						<td th:text="*{book.createdAt}"></td>
 						<td th:text="*{book.updatedAt}"></td>
-						<td th:text="*{book.employee != null ? book.employee.employeeId : '-'}"></td>
-						<td th:text="*{book.bookLends != null ? book.bookLends.bookStatus : '-'}"></td>
-						
-						
-						
+						<td th:text="*{book.employee != null ? book.employee.employeeName : '-'}"></td>
+						<td
+							th:text="*{book.bookLends != null ? (book.bookLends.bookStatus == 0 ? '貸出可': '貸出不可') : '貸出可'}">
+						</td>
+						<td>
+							<form method="post" action="/bookLend">
+								<input type="hidden" name="bookManageId" th:value="*{book.bookManageId}">
+								<button type="submit"
+									th:disabled="*{book.bookLends != null && book.bookLends.bookStatus == 1}">
+									貸出
+								</button>
+							</form>
+							<form method="post" action="/updateconfirm">
+								<input type="hidden" name="bookManageId" th:value="*{book.bookManageId}">
+								<button type="submit">更新</button>
+							</form>
+							<form method="get" action="/delete">
+								<input type="hidden" name="bookManageId" th:value="*{book.bookManageId}">
+								<button type="submit">削除</button>
+							</form>
+						</td>
+					</tr>
+					
+					<tr th:if="${#lists.isEmpty(book)}">
+						<td colspan="15">
+							該当する図書がありません
+						</td>
 					</tr>
 				</tbody>
 			</table>
 
 
-			<button type="submit" class="btn-login">
-				<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
-					stroke-linejoin="round">
-					<path d="M15 3h4a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2h-4" />
-					<polyline points="10 17 15 12 10 7" />
-					<line x1="15" y1="12" x2="3" y2="12" />
-				</svg>
-				貸出
-			</button>
-		</form>
-
-		<button type="submit" class="btn-login">
-			<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
-				stroke-linejoin="round">
-				<path d="M15 3h4a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2h-4" />
-				<polyline points="10 17 15 12 10 7" />
-				<line x1="15" y1="12" x2="3" y2="12" />
-			</svg>
-			貸出
-		</button>
-		</form>
-
-		<form method="post" action="update">
-			<button type="submit" class="btn-login">
-				<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
-					stroke-linejoin="round">
-					<path d="M15 3h4a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2h-4" />
-					<polyline points="10 17 15 12 10 7" />
-					<line x1="15" y1="12" x2="3" y2="12" />
-				</svg>
-				更新
-			</button>
-		</form>
 
 
 </body>